San Mateo time: PST and PDT

The next clock change in San Mateo is 1 hour back on 1 November 2026 at 02:00, from UTC-7 to UTC-8.

San Mateo on 15 October 2026: sunrise 07:17, sunset 18:31, day length 11 h 14 min.

Place
FactValue
Time zoneAmerica/Los_Angeles
OffsetUTC-7
RegionCalifornia
Latitude37.5630
Longitude-122.3255
Population103,536

The next clock change in San Mateo is 1 hour back on 1 November 2026 at 02:00, from UTC-7 to UTC-8.

Sun this year
FactValue
Longest day20 June 2026, 14 h 46 min
Shortest day21 December 2026, 9 h 34 min
Earliest sunrise05:47 on 13 June 2026
Latest sunset20:34 on 28 June 2026
Golden hour on the longest day20 June morning 05:48 to 06:27, evening 19:54 to 20:33
Next public holidays
DateHoliday
11 November 2026Veterans Day
26 November 2026Thanksgiving Day
25 December 2026Christmas Day
Working hours overlap
City09:00 to 17:00
LondonSan Mateo and London have no hour that is 09:00 to 17:00 in both cities.
New YorkSan Mateo 09:00 to 14:00; New York 12:00 to 17:00